<template>
      <div class="tab-bar-item" @click="itemClick">
        <div v-if="isActive"><slot name="item-icon-active"></slot></div>
        <div v-else><slot name="item-icon"></slot></div>
        <div :style="activeStyle"><slot name="item-text"></slot></div>
      </div>
</template>

<script>
export default {
  name:'tabbaritem',
  props:{
    link:String,
    activeColor:{
      type:String,
      default:'red'
    }
  },
  computed:{
    isActive() {
     return this.$route.path.indexOf(this.link) != -1
    },
    activeStyle(){
      return this.isActive ? {color :this.activeColor}:{}
    }
  },
  methods:{
    itemClick(){
      this.$router.replace(this.link)
      
    }
  }
}
</script>

<style>
  .tab-bar-item {
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
  }

 .tab-bar-item img{
     width: 24px;
     height: 24px;
     vertical-align: middle;
     margin-bottom: 2px;
 }

 .active{
   color: red;
 }
</style>
